photorealistic architectural visualization of a contemporary luxury river house perched dramatically on a steep limestone bluff overlooking a wide river valley preserve the exact building massing footprint roof geometry glazing locations and overall composition from the sketchup model the architecture should emphasize a striking cantilevered design language inspired by modern mountain and riverfront homes the rear covered terrace projects prominently beyond the bluff edge appearing to float over the landscape express the cantilever with slender steel structure minimal supports thin roof planes and deep horizontal overhangs materials dark charcoal steel fascia and structural framing warm natural cedar soffits throughout all roof overhangs cedar accent walls and screening elements smooth light gray architectural concrete retaining walls and foundation walls floor to ceiling black aluminum window systems clear glass guardrails at exterior terraces standing seam dark bronze metal roofing minimalist modern detailing with crisp shadow lines site context building embedded into a rugged rocky bluff above a river exposed limestone rock formations beneath and adjacent to the structure dense native tennessee kentucky river valley vegetation mature hardwood trees native grasses mountain laurel and river birch expansive river views visible beyond the cantilevered terrace terrain should feel dramatic steep and natural the house should appear anchored into the hillside while projecting boldly outward toward the view architectural expression long horizontal roof planes deep cantilevered roof overhangs continuous clerestory glazing beneath the upper roof plane transparent living spaces with large glass walls strong indoor outdoor connection modern mountain architecture aesthetic refined high end residential design comparable to award winning contemporary bluff houses lighting golden hour sunset lighting warm interior lighting visible through glazing recessed downlights integrated into cedar soffits subtle architectural uplighting washing concrete and stone surfaces soft underlighting beneath cantilevered portions to emphasize floating appearance realistic reflections in glass and metal surfaces rendering quality ultra photorealistic architectural photography quality physically accurate materials global illumination ray traced reflections high dynamic range lighting natural atmospheric depth professional real estate and architectural magazine presentation sharp focus with realistic lens characteristics premium luxury residential visualization negative prompts do not alter building geometry roof forms window locations deck layouts or proportions avoid unrealistic supports excessive landscaping stylized rendering effects cartoon appearance exaggerated textures or artificial looking terrain maintain the original sketchup design exactly while elevating materiality realism and site integration
